package com.example.homework7;

import android.content.Context;
import android.os.Build;

import androidx.room.Database;
import androidx.room.Room;
import androidx.room.RoomDatabase;

@Database(entities = {User.class},version = 1)
public abstract class MyRoomDatabase extends RoomDatabase{
    private static MyRoomDatabase instance;

    public abstract UserDao userDao();

    static MyRoomDatabase getInstance(Context context){
        if(instance==null){
            instance=Room.databaseBuilder(context.getApplicationContext(),
                    MyRoomDatabase.class,"room")
                    .allowMainThreadQueries()
                    .build();
        }
        return instance;
    }
}